Personal, corded speakerphone Great sound simplified Wherever you’re working, turn it into a more professional-sounding space. The personal, portable Calisto 3200 corded speakerphone is easy to use at home, remotely or in the office. You’ll love the simple plug-and-play USB connectivity, intuitive controls and high-quality sound, too. Get ready to sound great, no matter where work takes you. Built for Compatibility All Poly USB headsets and personal speakerphones are compatible with the most popular voice platforms – we just work. Poly solutions provide excellent audio quality for both you and those on the other end of the call – no matter your platform of choice. Calisto 3200 Features 1. Intuitive volume and call controls Use simple, intuitive controls that let you answer and end calls, mute and control call volume easily.